Wall base



FIG. 1 is a perspective view of the wall base according to the invention;

FIG. 2 is a top end view of the wall base as shown in FIG. 1;

FIG. 3 is a front view of the wall base as shown in FIG. 1;

FIG. 4 is a side view of the wall base as shown FIG. 1;

FIG. 5 is a rear view of the wall base as shown in FIG. 1;

FIG. 6 is a side view of the wall base as shown in FIG. 1, shown from the opposite side of that shown in FIG. 4; and,

FIG. 7 is a bottom end view of the wall base as shown in FIG. 1. 

The ornamental design for a wall base, as shown and described. 